Three-Way Calling
Three-way calling must be supported on the cell phone and enabled by the wireless service carrier.
1. While on a call, press 
.
2. Say “Three-way call.”
3. Use the dial or call command to dial the number of the third party to be called.
4. Once the call is connected, press
to link all callers together.
Ending a Call
Press 
to end a call.
Muting a Call
During a call, all sounds from inside the vehicle can be muted so that the person on the other end of the call cannot hear them.
To mute a call, press , and then
say “Mute Call.”
To cancel mute, press , and then
say “Un-mute Call.”
See also:
OnStar®
For vehicles with an active OnStar subscription, OnStar uses several innovative technologies and live Advisors to provide a wide range of safety, security, navigation, diagnostics, and calling servi ...
Reporting Safety Defects to the
United States Government
If you believe that your vehicle has a defect which
could cause a crash or could cause injury or
death, you should immediately inform the National
Highway Traffic Safety Administration (NHTSA)
...
Ultrasonic Parking Assist
For vehicles with this feature, it uses sensors on the
rear bumper to detect objects while parking the vehicle. It
operates at speeds less than 8 km/h (5 mph) while in
R (Reverse). URPA uses aud ...